The contents of this collection mainly include: important historical materials that have led Tianjin people to carry out revolution, construction and reform and opening up since the founding of the Chinese Production Party. Including notes, diaries, letters, investigation reports, excerpts from important documents, draft documents, speech records, memoirs, etc. kept by cadres and people from all walks of life in party member; Documents, medals, photos, inscriptions, signatures, audio recordings, videos, books and periodicals, etc. Participate in important activities. Tianjin Archives issues donation certificates to donors, which donors, their families and future generations can consult and use at any time.